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Cheap flights from Philadelphia to Saint Croix from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Saint Croix departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
12:38 pm - 3:49 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
27h 11m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
4:42 pm - 11:46 amSTX  Christiansted Henry Rohlsen-PHL Philadelphia
19h 04m1 stop San Juan Luis Munoz Marin Intl
$432JetBlue
Sat, Sep 5 - Mon, Sep 7
JetBlue Logo
12:38 pm - 3:49 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
27h 11m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
4:42 pm - 11:46 amSTX  Christiansted Henry Rohlsen-PHL Philadelphia
19h 04m1 stop San Juan Luis Munoz Marin Intl
$462JetBlue
Sat, Sep 5 - Mon, Sep 7
JetBlue Logo
12:38 pm - 3:49 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
27h 11m1 stop San Juan Luis Munoz Marin Intl
JetBlue Logo
4:42 pm - 11:46 amSTX  Christiansted Henry Rohlsen-PHL Philadelphia
19h 04m1 stop San Juan Luis Munoz Marin Intl
$472JetBlue
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
7:00 am - 10:07 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
14h 07m1 stop Miami
American Airlines Logo
7:00 am - 2:30 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 30m1 stop Miami
$476American Airlines
Sun, Nov 15 - Thu, Nov 19
American Airlines Logo
7:00 am - 10:07 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
14h 07m1 stop Miami
American Airlines Logo
7:00 am - 11:53 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
17h 53m1 stop Miami
$476American Airlines
Mon, Nov 16 - Thu, Nov 19
Delta Logo
5:30 am - 2:35 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:35 pm - 10:56 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 21m1 stop Atlanta Hartsfield-Jackson
$476Delta
Mon, Jan 11 - Wed, Jan 13
Delta Logo
6:35 am - 2:35 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:35 pm - 10:56 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 21m1 stop Atlanta Hartsfield-Jackson
$476Delta
Mon, Jan 11 - Fri, Jan 15
Delta Logo
5:30 am - 2:35 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:35 pm - 10:56 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 21m1 stop Atlanta Hartsfield-Jackson
$476Delta
Tue, Jan 12 - Fri, Jan 15
Delta Logo
5:30 am - 2:35 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:35 pm - 10:56 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 21m1 stop Atlanta Hartsfield-Jackson
$476Delta
Wed, Jan 13 - Fri, Jan 15
Delta Logo
5:30 am - 2:35 pmPHL  Philadelphia-STX Christiansted Henry Rohlsen
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:35 pm - 10:56 pmSTX  Christiansted Henry Rohlsen-PHL Philadelphia
8h 21m1 stop Atlanta Hartsfield-Jackson
$476Delta
Sun, Jan 10 - Fri, Jan 15

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JetBlue flights from Philadelphia to Saint Croix

Our best JetBlue deals on Philadelphia to Saint Croix flight tickets
JetBlue
Sep 5
PHL12:38 pmPhiladelphia
27h 11m
1 stop
STX3:49 pmChristiansted Henry Rohlsen
Sep 7
STX4:42 pmChristiansted Henry Rohlsen
19h 04m
1 stop
PHL11:46 amPhiladelphia
$432
JetBlue
Sep 5
PHL12:38 pmPhiladelphia
27h 11m
1 stop
STX3:49 pmChristiansted Henry Rohlsen
Sep 7
STX4:42 pmChristiansted Henry Rohlsen
19h 04m
1 stop
PHL11:46 amPhiladelphia
$462
JetBlue
Aug 27
PHL12:38 pmPhiladelphia
27h 11m
1 stop
STX3:49 pmChristiansted Henry Rohlsen
Aug 31
STX4:42 pmChristiansted Henry Rohlsen
19h 04m
1 stop
PHL11:46 amPhiladelphia
$472

American Airlines flights from Philadelphia to Saint Croix

Our best American Airlines deals on Philadelphia to Saint Croix flight tickets
American Airlines
Oct 8
PHL7:15 amPhiladelphia
8h 47m
1 stop
STX4:02 pmChristiansted Henry Rohlsen
Oct 12
STX2:38 pmChristiansted Henry Rohlsen
10h 13m
1 stop
PHL12:51 amPhiladelphia
$476
American Airlines
Jan 7
PHL9:48 amPhiladelphia
10h 43m
2 stops
STX9:31 pmChristiansted Henry Rohlsen
Jan 12
STX8:30 amChristiansted Henry Rohlsen
11h 42m
2 stops
PHL7:12 pmPhiladelphia
$480
American Airlines
Sep 9
PHL6:00 amPhiladelphia
9h 39m
1 stop
STX3:39 pmChristiansted Henry Rohlsen
Sep 16
STX4:40 pmChristiansted Henry Rohlsen
16h 56m
1 stop
PHL9:36 amPhiladelphia
$481

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Saint Croix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Philadelphia to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sat 9/5

12:38 pm-3:49 pm

1 stop27h 11m

Christiansted Henry Rohlsen

Mon 9/7

4:42 pm-11:46 am

1 stop19h 04m

$432

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sat 9/5

12:38 pm-3:49 pm

1 stop27h 11m

Christiansted Henry Rohlsen

Mon 9/7

4:42 pm-11:46 am

1 stop19h 04m

$462

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Thu 8/27

12:38 pm-3:49 pm

1 stop27h 11m

Christiansted Henry Rohlsen

Mon 8/31

4:42 pm-11:46 am

1 stop19h 04m

$472

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sun 11/15

7:00 am-10:07 pm

1 stop14h 07m

Christiansted Henry Rohlsen

Thu 11/19

7:00 am-2:30 pm

1 stop8h 30m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Mon 11/16

7:00 am-10:07 pm

1 stop14h 07m

Christiansted Henry Rohlsen

Thu 11/19

7:00 am-11:53 pm

1 stop17h 53m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Mon 1/11

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Wed 1/13

3:35 pm-10:56 pm

1 stop8h 21m

$476
Quickest round-trip

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Mon 1/11

6:35 am-2:35 pm

1 stop7h 00m

Christiansted Henry Rohlsen

Fri 1/15

3:35 pm-10:56 pm

1 stop8h 21m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Tue 1/12

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Fri 1/15

3:35 pm-10:56 pm

1 stop8h 21m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Wed 1/13

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Fri 1/15

3:35 pm-10:56 pm

1 stop8h 21m

$476

PhiladelphiaChristiansted

PHL Philadelphia - STX Christiansted Henry Rohlsen

PHLSTX

Philadelphia

Sun 1/10

5:30 am-2:35 pm

1 stop8h 05m

Christiansted Henry Rohlsen

Fri 1/15

3:35 pm-10:56 pm

1 stop8h 21m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Croix from

How to get the cheapest flight ticket from Philadelphia to Saint Croix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Croix?

The month of January is another great option to travel to Saint Croix, with average flight prices from Philadelphia averaging around $484.

Cheap Philadelphia to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Saint Croix

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from Philadelphia to Saint Croix takes 7h 00m
There are no direct flights from Philadelphia to Saint Croix. There are no popular flight routes from Philadelphia to Saint Croix.
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Frequently asked questions about flying from Philadelphia to Saint Croix

  • When did momondo last update prices for flights from Philadelphia Airport to Saint Croix?

    Prices for flights from Philadelphia Airport to Saint Croix are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Saint Croix?

  • How old do you have to be to fly from Philadelphia Airport to Saint Croix?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The travel and health documents you'll need for your trip to Saint Croix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Croix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Philadelphia to Saint Croix

Compare and see reviews for airlines that fly from Philadelphia to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $434Free CancellationRating
7.1
11,915 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Saint Croix?

Finding the right flight to Saint Croix from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Saint Croix quick and easy, saving you time and money.

Can I find flights from Philadelphia to Saint Croix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Croix from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Saint Croix?

Once you have performed a search for Philadelphia to Saint Croix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Saint Croix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Philadelphia to Saint Croix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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